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| Presentation | 2007-01-25 16:00 Study on cooperative sensing in cognitve radio based ad hoc network Hiromasa Uchiyama, Kenta Umebayashi (Tokyo University of Agriculture and Technology), Takeo Fujii (The University of Electro-Communications), Fumie Ono (Tokyo University of Science), Kei Sakaguchi (Tokyo Institute of Technology), Yukihiro Kamiya, Yasuo Suzuki (Tokyo University of Agriculture and Technology)  SIP2006-155 RCS2006-213 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In this paper, we propose a soft decision based cooperative sensing in cognitive radio (CR) based ad-network. A CR can sense a surrounding radio environment and adapt to the environment by reconfigurability. CR detects presence of primary user and exploits this information to opportunistically provide a communication among secondary users (CR). On the other hand performance of primary user should not be de deteriorated by the secondary users. Because of multi-path fading or shadowing, detection of primary users is sometimes significantly difficult. For this problem, cooperative sensing, where multi user cooperative each other to achieve higher performance of detection, has been investigated. In this paper we have proposed a soft decision based CS, and analyze the performance. Based on computer simulation, we have shown the comparison between CS and non-cooperative sensing (NCS) using Neyman-Pearson Theorem (NPT) and presented that CS has better performance. In addition, we have shown that performance of CS can be degraded when environment, i.e., signal to noise ratio, of a cooperative user is significantly worse. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Cognitive Radio / Ad-hoc Network / Cooperative Sensing / Neyman-Pearson Theorem / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 106, no. 479, RCS2006-213, pp. 109-113, Jan. 2007. | |
| Paper # | RCS2006-213 | |
| Date of Issue | 2007-01-18 (SIP, RCS) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | SIP2006-155 RCS2006-213 |
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| Conference Information | |
| Committee | RCS SIP |
| Conference Date | 2007-01-24 - 2007-01-26 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | NICT Okinawa |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2007-01-RCS-SIP |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Study on cooperative sensing in cognitve radio based ad hoc network |
| Sub Title (in English) | |
| Keyword(1) | Cognitive Radio |
| Keyword(2) | Ad-hoc Network |
| Keyword(3) | Cooperative Sensing |
| Keyword(4) | Neyman-Pearson Theorem |
| Keyword(5) | |
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| 1st Author's Name | Hiromasa Uchiyama |
| 1st Author's Affiliation | Tokyo University of Agriculture and Technology (Tokyo University of Agriculture and Technology) |
| 2nd Author's Name | Kenta Umebayashi |
| 2nd Author's Affiliation | Tokyo University of Agriculture and Technology (Tokyo University of Agriculture and Technology) |
| 3rd Author's Name | Takeo Fujii |
| 3rd Author's Affiliation | The University of Electro-Communications (The University of Electro-Communications) |
| 4th Author's Name | Fumie Ono |
| 4th Author's Affiliation | Tokyo University of Science (Tokyo University of Science) |
| 5th Author's Name | Kei Sakaguchi |
| 5th Author's Affiliation | Tokyo Institute of Technology (Tokyo Institute of Technology) |
| 6th Author's Name | Yukihiro Kamiya |
| 6th Author's Affiliation | Tokyo University of Agriculture and Technology (Tokyo University of Agriculture and Technology) |
| 7th Author's Name | Yasuo Suzuki |
| 7th Author's Affiliation | Tokyo University of Agriculture and Technology (Tokyo University of Agriculture and Technology) |
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| Speaker | Author-1 |
| Date Time | 2007-01-25 16:00:00 |
| Presentation Time | 20 minutes |
| Registration for | RCS |
| Paper # | SIP2006-155, RCS2006-213 |
| Volume (vol) | vol.106 |
| Number (no) | no.476(SIP), no.479(RCS) |
| Page | pp.109-113 |
| #Pages | 5 |
| Date of Issue | 2007-01-18 (SIP, RCS) |
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